Headphone set
According to the invention a headphone set comprises a hoop band, to each of the two ends of which is fixed a respective acoustic transducer and which extends arcuately in a plane, with at least one joint for folding the ends of the hoop band inwardly in the plane and an elastic region for resiliently expanding and narrowing the hoop band is either characterized in that the fixing of each of the transducers to the ends of the hoop band has a joint for pivoting the transducers into the plane and that arranged in the region of the two ends of the hoop band is a respective connecting structure which can be connected to each other and which then in co-operating relationship hold the folded-in ends of the hoop band in a crossed position or that the one joint for folding the ends of the hoop band inwardly is arranged at the apex of the hoop band, that the headphone set is of mirror image symmetry about a plane and that the fixing of each of the transducers to the ends of the hoop band has a joint for pivoting the transducers into the plane of symmetry which is at a right angle to the plane of the hoop band.
1. A headphone set comprising:
a hoop band having two ends;
an acoustic transducer being fixed to each of the two ends, respectively;
said hoop band extending arcuately in a plane and having two joints each for folding one end of the hoop band inwardly in the plane and having an elastic region for resiliently expanding and narrowing the hoop band;
the fixing of each of the transducers to the ends of the hoop band having a second joint for pivoting the transducers relative with respect to the end of the hoop band into the plane, said first joint being spaced apart from the second joint along the hoop band;
a respective connecting structure being arranged in the region of the two ends of the hoop band, each said structure being able to be connected to each other and which then in co-operating relationship hold the folded-in ends of the hoop band in a crossed position; and
said connecting structures being openings in the ends of the hoop band, the openings being fitted into each other when the ends of the hoop band are folded inwardly, so that the openings engage one into the other in positively locking relationship and clasp the crossed ends of the hoop band to each other in flush relationship in the plane.
2. The headphone set as set forth in claim 1 ,
wherein the connecting structures are so arranged that when the hoop band is elastically constricted they can be connected together and that the elastic constriction effect produces a connecting force.
3. The headphone set as set forth in claim 1 ;
wherein the headphone set with the transducers pivoted into the plane and with the ends of the hoop band held in the crossed condition forms a flat unit with transducers disposed in mutually juxtaposed relationship in the plane.
4. The headphone set as set forth in claim 1 ;
wherein the second joint is a pivotable ball joint.